78318415

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 115404480

約数和(自身を除く): 37086065

約数列:

[1, 5, 7, 29, 35, 49, 73, 145, 151, 203, 245, 365, 511, 755, 1015, 1057, 1421, 2117, 2555, 3577, 4379, 5285, 7105, 7399, 10585, 11023, 14819, 17885, 21895, 30653, 36995, 55115, 74095, 77161, 103733, 153265, 214571, 319667, 385805, 518665, 540127, 1072855, 1598335, 2237669, 2700635, 11188345, 15663683, 78318415]

約数ペア:

[(1, 78318415), (5, 15663683), (7, 11188345), (29, 2700635), (35, 2237669), (49, 1598335), (73, 1072855), (145, 540127), (151, 518665), (203, 385805), (245, 319667), (365, 214571), (511, 153265), (755, 103733), (1015, 77161), (1057, 74095), (1421, 55115), (2117, 36995), (2555, 30653), (3577, 21895), (4379, 17885), (5285, 14819), (7105, 11023), (7399, 10585)]